1777130880 has 256 divisors, whose sum is σ = 6756480000. Its totient is φ = 388472832.

The previous prime is 1777130837. The next prime is 1777130891. The reversal of 1777130880 is 880317771.

1777130880 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 306246 + ... + 311994.

It is an arithmetic number, because the mean of its divisors is an integer number (26392500).

Almost surely, 2^1777130880 is an apocalyptic number.

1777130880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1777130880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3378240000).

1777130880 is an abundant number, since it is smaller than the sum of its proper divisors (4979349120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1777130880 is a wasteful number, since it uses less digits than its factorization.

1777130880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5801 (or 5789 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 42.

The square root of 1777130880 is about 42156.0301736300. The cubic root of 1777130880 is about 1211.2667743196.

The spelling of 1777130880 in words is "one billion, seven hundred seventy-seven million, one hundred thirty thousand, eight hundred eighty".